Chair frame



FIG. 1 is a perspective view of a chair frame showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front, left, and bottom perspective view thereof; and,

FIG. 9 is a rear, left, and top perspective view of an embodiment showing the chair frame in use along with the cushions in broken lines.

The broken lines in the drawings illustrate portions of the chair frame which form no part of the claimed design. 

CLAIM I claim the ornamental design for a chair frame, as shown and described. 